docs/88646: sysutils/portmanager documentaion for handbook "Using ports"

[Remko Lodder]

Synopsis: sysutils/portmanager documentaion for handbook "Using ports"

Responsible-Changed-From-To: remko->freebsd-doc
Responsible-Changed-By: remko
Responsible-Changed-When: Fri Dec 23 19:49:34 UTC 2005
Responsible-Changed-Why: 
I do not want to work on this PR any longer.
If someone else wants to work on this, please contact
me, i will deliver my rewritten diff since the current
one is not per FDP and need a little tuning.

http://www.freebsd.org/cgi/query-pr.cgi?pr=88646